private void method_12() { int sectionStartPosition1 = (int)Class653.smethod_0(this.int_0); int num1 = sectionStartPosition1 + (int)this.memoryStream_0.Length; int sectionStartPosition2 = num1 + (int)this.memoryStream_4.Length; int sectionStartPosition3 = sectionStartPosition2 + (int)this.memoryStream_1.Length; int sectionStartPosition4 = sectionStartPosition3 + (int)this.memoryStream_2.Length + (int)this.memoryStream_3.Length + (int)this.memoryStream_5.Length; int sectionStartPosition5 = sectionStartPosition4 + (int)this.memoryStream_6.Length + (int)this.memoryStream_7.Length; MemoryStream memoryStream = new MemoryStream(); Interface29 streamWriter = Class724.Create(this.dxfVersion_0, (Stream)memoryStream, Encodings.GetEncoding((int)this.dxfModel_0.Header.DrawingCodePage)); streamWriter.imethod_13(Encodings.Ascii.GetBytes(this.dxfModel_0.Header.AcadVersionString), 0, 6); Interface29 nterface29 = streamWriter; byte[] numArray = new byte[7]; numArray[5] = (byte)15; numArray[6] = (byte)1; byte[] bytes = numArray; nterface29.imethod_12(bytes); streamWriter.imethod_19(num1); streamWriter.imethod_11((byte)27); streamWriter.imethod_11((byte)25); int num2 = (int)Class952.smethod_1(this.dxfModel_0.Header.DrawingCodePage); streamWriter.imethod_13(LittleEndianBitConverter.GetBytes((short)num2), 0, 2); streamWriter.imethod_13(LittleEndianBitConverter.GetBytes(this.int_0), 0, 4); long position = this.stream_0.Position; this.method_13(streamWriter, (byte)0, sectionStartPosition2, (int)this.memoryStream_1.Length); this.method_13(streamWriter, (byte)1, sectionStartPosition3, (int)this.memoryStream_2.Length); this.method_13(streamWriter, (byte)2, sectionStartPosition4, (int)this.memoryStream_6.Length); this.method_13(streamWriter, (byte)3, 0, 0); this.method_13(streamWriter, (byte)4, sectionStartPosition5, (int)this.memoryStream_9.Length); this.method_13(streamWriter, (byte)5, sectionStartPosition1, (int)this.memoryStream_0.Length); streamWriter.Flush(); ushort num3 = Stream1.smethod_1((ushort)49345, memoryStream.GetBuffer(), 0L, memoryStream.Length); streamWriter.imethod_18((short)num3); streamWriter.imethod_13(Class800.byte_4, 0, Class800.byte_4.Length); this.stream_0.Write(memoryStream.GetBuffer(), 0, (int)memoryStream.Length); }